//
// Created by wangliewei on 2021/8/12.
//

#include<iostream>
#include<vector>

using namespace std;

//这里加引用是为了提高效率，如果不加他就会在copy一个,浪费
vector<int> add(vector<int> &A, vector<int> &B){

    vector<int> C;
    int t = 0;
    for (int i = 0; i < A.size() || i < B.size(); i++) {
        if (i < A.size()) t += A[i];
        if (i < B.size()) t += B[i];
        C.push_back(t % 10);
        t /= 10;
    }
    if (t) C.push_back(1);
    return C;
}

int main(){
    string a, b;
    vector<int> A, B;

    cin>>a>>b; //a = "123456" 然后把a和b的每一位放到vector里面去

    for (int i = a.size() - 1; i >= 0; i--) {
        A.push_back(a[i] - '0');
    } //A = [6,5,4,3,2,1]
    for (int i = b.size() - 1; i >= 0; i--) {
        B.push_back(b[i] - '0');
    }

    auto C = add(A, B);

    for (int i = C.size()-1; i >= 0; i--) printf("%d",C[i]);

    return 0;
}

